87908985

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 157405248

約数和(自身を除く): 69496263

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 181, 215, 251, 387, 543, 645, 753, 905, 1255, 1629, 1935, 2259, 2715, 3765, 7783, 8145, 10793, 11295, 23349, 32379, 38915, 45431, 53965, 70047, 97137, 116745, 136293, 161895, 227155, 350235, 408879, 485685, 681465, 1953533, 2044395, 5860599, 9767665, 17581797, 29302995, 87908985]

約数ペア:

[(1, 87908985), (3, 29302995), (5, 17581797), (9, 9767665), (15, 5860599), (43, 2044395), (45, 1953533), (129, 681465), (181, 485685), (215, 408879), (251, 350235), (387, 227155), (543, 161895), (645, 136293), (753, 116745), (905, 97137), (1255, 70047), (1629, 53965), (1935, 45431), (2259, 38915), (2715, 32379), (3765, 23349), (7783, 11295), (8145, 10793)]